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QM202414
Methotrexate EP Impurity L
Molecular Formula: C13H16N2O5
Molecular Weight: 280.28
CAS No.: 52980-68-4;57444-71-0(2Na salt)
QM202415
Methotrexate Impurity 15
Molecular Formula: C4H8N6.H2O4S
Molecular Weight: 140.15 98.08
CAS No.: 5392-28-9;49647-58-7(xH2SO4 salt);1004-74-6(free base)
QM202416
Methotrexate Impurity 16
Molecular Formula: C7H7BrN6 HBr
Molecular Weight: 255.07 80.92
CAS No.: 52853-40-4;59368-16-0(free base)
QM202417
Methotrexate Nitroso Impurity 1
Molecular Formula: C13H13N3O6Zn
Molecular Weight: 372.64
CAS No.: NA
QM202418
Methotrexate Nitroso Impurity 2
Molecular Formula: C13H15N3O6
Molecular Weight: 309.27
CAS No.: NA
QM202419
Methotrexate Nitroso Impurity 3
Molecular Formula: C4H10N2O
Molecular Weight: 102.13
CAS No.: NA
QM202420
Methotrexate Impurity 20
Molecular Formula: C22H27N9O4
Molecular Weight: 481.51
CAS No.: 71074-44-7
QM202422
Methotrexate Impurity 22
Molecular Formula: C13H14N2O5Zn
Molecular Weight: 343.64
CAS No.: 52980-68-4(free base)
QM202423
Methotrexate Impurity 23
Molecular Formula: C4H8N6O
Molecular Weight: 156.15
CAS No.: NA
QM202424
Methotrexate Nitroso Impurity 4
Molecular Formula: C4H6N6O
Molecular Weight: 154.13
CAS No.: NA
QM202425
Methotrexate Impurity 25
Molecular Formula: C4H5N6
Molecular Weight: 137.12
CAS No.: NA
QM202426
Methotrexate Impurity 26
Molecular Formula: C32H42N8O15
Molecular Weight: 778.72
CAS No.: NA
QM202427
Methotrexate Impurity 27
Molecular Formula: C32H42N8O15
Molecular Weight: 778.72
CAS No.: NA
QM202428
Methotrexate Impurity 28
Molecular Formula: C17H24N2O5
Molecular Weight: 336.39
CAS No.: 2378-95-2
QM202429
Methotrexate Impurity 29
Molecular Formula: C7H8N6O
Molecular Weight: 192.18
CAS No.: 881-33-4
QM202430
Methotrexate Impurity 30
Molecular Formula: C7H8N6
Molecular Weight: 176.18
CAS No.: 708-74-7
QM202431
Methotrexate Impurity 31
Molecular Formula: C7H8N6
Molecular Weight: 176.18
CAS No.: 4215-07-0
QM202432
Methotrexate Impurity 32
Molecular Formula: C7H6N6O
Molecular Weight: 190.17
CAS No.: 4261-17-0
QM202433
Methotrexate Impurity 33
Molecular Formula: C7H8N6O2
Molecular Weight: 208.18
CAS No.: 54643-27-5
QM202434
Methotrexate Impurity 34
Molecular Formula: C23H28N8O5
Molecular Weight: 496.53
CAS No.: NA
QM202435
Methotrexate Impurity 35
Molecular Formula: C16H23N7O4
Molecular Weight: 377.41
CAS No.: NA
QM202436
Methotrexate Impurity 36
Molecular Formula: C24H30N8O5
Molecular Weight: 510.56
CAS No.: 43170-88-3
QM202437
Methotrexate Impurity 37
Molecular Formula: C22H26N8O5
Molecular Weight: 482.5
CAS No.: NA
QM202438
Methotrexate Impurity 38
Molecular Formula: C22H26N8O5
Molecular Weight: 482.5
CAS No.: NA
QM202439
N-Nitroso Methotrexate
Molecular Formula: C20H21N9O6
Molecular Weight: 483.45
CAS No.: NA
QM202440
Methotrexate Impurity 40
Molecular Formula: C15H20N2O5
Molecular Weight: 308.33
CAS No.: NA
QM202441
Methotrexate Impurity 41
Molecular Formula: C15H20N2O5
Molecular Weight: 308.33
CAS No.: NA
QM202442
Methotrexate Impurity 42
Molecular Formula: C4H7N5O
Molecular Weight: 141.13
CAS No.: 22715-34-0
QM202443
Methotrexate Impurity 43
Molecular Formula: C20H22N8O5
Molecular Weight: 454.45
CAS No.: NA
QM202444
Methotrexate Impurity 44
Molecular Formula: C12H13NO5
Molecular Weight: 251.24
CAS No.: 6094-36-6
